Home / 43,009,389.60-64,514,084.40-39,724,807.20

Finding the Fourth Proportional to 43,009,389.60, 64,514,084.40 and 39,724,807.20

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Solution

The fourth proportional to 43,009,389.60, 64,514,084.40 and 39,724,807.20 is: 59,587,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009,389.60 : 64,514,084.40 = 39,724,807.20 : x
  2. Step 2: Convert to fraction form
    43,009,389.60/64,514,084.40 = 39,724,807.20/x
  3. Step 3: Cross multiply
    43,009,389.60x = 64,514,084.40 × 39,724,807.20
  4. Step 4: Simplify right side
    43,009,389.60x = 2,562,809,564,474,528
  5. Step 5: Solve for x
    x = 2,562,809,564,474,528/43,009,389.60
  6. Step 6: Final answer
    x = 59,587,210.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.